1. Given this equation: 2 C, H, OH> 4C + 6 H, + o, 4H-456 kJ a. Is it endothermic or exothermic? b. If 1,500 KJ of heat were involved in this reaction, how many grams of ethanol (C, H, OH) were used? If 650 kl of heat were involved, how many moles are carbon were also produced? c.